Advertisements
Advertisements
Question
State whether the following statements are true or false:
The scattering away of red light makes the sky appear blue during the day time.
Solution
False
The scattering of colours of shorter wavelengths, such as blue, makes the sky appear blue during the daytime.
APPEARS IN
RELATED QUESTIONS
What did Newton demonstrate by his experiments with the prism?
Which light has the longer wavelength : red light or blue light?
What is meant by dispersion of white light? Describe the formation of rainbow in the sky with the help of a diagram.
Which phenomenon makes us see the sun:
a few minutes after actual sunset?
Sunset is red because at that time the light coming from the sun has to travel:
(a) lesser thickness of earth's atmosphere
(b) greater thickness of earth's atmosphere
(c) varying thickness of earth's atmosphere
(d) along the horizon
Using the phenomenon of scattering of light, explain why there is a difference in the colour of the sun as it appears during sunrise and at noon.
Explain in brief the reason for the following :
Delayed sunset
What is meant by advance sunrise and delayed sunset? Draw a labelled diagram to explain these phenomena.
Describe an experiment to show that “sunlight is essential for photosynthesis”.
The clear sky appears blue because